User's Manual
Table Of Contents
- 1 System Overview
- 2 Features Summary
- 3 EXACT-V2 Rack
- 3.1 EXACT-V2 mechanics
- 3.2 Interface characteristics
- 3.3 Front Panel signalization (LEDs description)
- 3.4 Power requirements
- 3.5 Performances and technical characteristics
- 3.5.1 General characteristics
- 3.5.2 Control and data Ethernet interfaces
- 3.5.3 Serial control interfaces
- 3.5.4 ASI inputs / output and MPEG-TS processing
- 3.5.5 Digital modulation
- 3.5.6 Clock synchronization
- 3.5.7 RF and monitoring outputs
- 3.5.8 Digital precorrection
- 3.5.9 Power level measurement inputs and AGC
- 3.5.10 Dry contacts
- 3.6 Conformity with EC Directive
- 4 EXACT-V2 Installation
- 5 Operation
- 6 Maintenance & Troubleshooting
- Appendix A GPS Installation Recommendations
- Appendix B Example of GPS Antenna
![](/manual/hitachi-kokusai-electric-america/ec704mp/user-s-manual-english/images/img-58.png)
USER
MANUAL
MPD-1611291-A
EXACT-V2 High End Rack Modulator / Exciter
3/10/2017
MPD-1611291-A
Page 58/94
Characteristics Typical Value Comment
Clocks & Synchronization
10 MHz Lock Control Type: Digital
Internal 10 MHz clock With OCXO
T°fStabilityf(Full
Temperature Range):
< ± 5.10
-9
0 50 °C
Tuning:
< ± 0.6 ppm
Short Term Stability:
< ± 1.10
-11
Over 1 s, 10 s
Aging:
< ± 5.10
-10
/ day
< ± 7.5.10
-8
/ year
< ± 5.10
-7
/ 15 years
Synchronization Cases Stability Aging
External_10MHz_Locked:
< ± 3.10
-10
-
External_10MHz_Unlocked:
< ± 3.10
-10
< ±7.5.10-8 /
year
< ±5.10-10 / day
Internal
Onboard GPS_Locked:
< ± 7.10
-10
-
Onboard GPS_Unlocked:
< ± 7.10
-10
< ±7.5.10-8 /
year
< ±5.10-10 / day
Internal
Output Phase Noise: < -104 dBc/Hz @ 20 kHz
Guaranteed from 470 MHz
to 700MHz